Stove



` H. CORY Septjm, 1937.

STOVE Filed. Nv. 29, 1935 Patented Sept. 14, 1937 UNrrED STATES PATENTori-ica 2 Claims.

This invention relates to stoves, and particularly such as are adaptedfor use with coffee makers of various kinds. The present stove isparticularly advantageous in restaurants or 5 other public places wherelarge quantities of coiee are prepared and served. l

The improvements with which the present invention is concerned relate tothe combination of a simple and inexpensive housing with supporte l inglegs that may be fitted in place and furnish adequate support therefor,no matter how heavy the load; with reinforcements which also providemeans for` securing the supporting legs in place; with furthersupporting structure within the housing for sustaining the burners thatare arranged therewithin; with the utilization of an offset bar adjacentthe front wall of the housing, furnishing a depending skirt which servesto carry and conceal a fuel distributing pipe Within the housingadjacent its lower edge; and generally withthe combination andarrangement of the several elements and units which enter into and formthe structure hereinafter described. All such improvements contribute tothe strength of the stove structure; to the simplicity of the partswhich are required therefor, with a consequent reduction in the expensethereof; to the ease and facility with which these parts may beassembled; and to the general accessibility of the various elements andunits in the structure, permitting adjustments, repairs, orvreplacements as required.

An exemplii'lcation of this invention is set forth in the accompanyingdrawing Whereinl Figure 1 is a view in plan of the stove structurecomplete, a portion of the top burner plate being broken away to exhibitparts interiorly of the housing; ,i Fig. 2 is an enlarged transversesection taken on line 2-2 of Fig. 1; and

Fig. 3 is a vertical section taken on line 3 3 of Fig. 1.

The present stove includes in its structure a 45 housing H in the formof an enclosure that may be provided by a band of sheet metal or thelike which is extended around with its opposite ends joined at the rearto a connecting plate 5.- The corners of the housing are curved as at 6through a relatively wide arc,v instead of being sharp. Across each ofthe opposite ends of the housing I extend a shelf having a downturnedflange 8 whose lower edge may be co-terminus with the corresponding edgeof the housing. For a dis- 55 tance of perhaps 90' degrees or moreadjacent each corner of the housing, this ange is del properties.

sirably'cut away to avoid difficulties in bending. As by means ofspot-weld connections between the iianges and the proximate housingwalls each shelf is secured mmovably in place.

To support the stove housing in an elevated position, I utilize certainleg blocks L formed desirably from some material which has insulating Asshown, each block may be of arcuate shape, so as to t into a roundedcorner of the housing. The cross sectional form of 10 each block (seelFig. 3) is such as to provide a face lo which is inset adjacent ahorizontal shoulder i i. The vertical dimension of this inset facecorresponds with that of the shelf ang'es 3 whereby the block shoulderand the top surface l5 of the block may furnish supporting engagement tothe lower` edge of the housing and to the shelf respectively. Inaddition, each inset block face which is arcuate from end to end inconformity with the corner curvature of the housing is in continuousengagement therewith throughout substantially the entire distance ofeach flange interruption so as to reinforce the lower` edge portion ofthe'housing. To secure each leg block in its supporting position I mayutilize a pair of screws i2 which are entered through holes in the shelfto present their Shanks in threaded engagement with the body of the legblock.

Along the front wall of the housing and attached to the inner surfacethereof at a point near its lower edge, is an offset bar having anupwardly extending flange i5, a horizontal ledge i6, and a dependingskirt il which lies inwardly of the front housing'wall. This bar extendsfor the major portion of the distance centrally between the two legblocks at the front of the hous ing. The ange i5 may be secured to thenousing as by bolt connections i8 or otherwise. Carried bythe offsetbar, and secured to the ledge thereof as by bolts 2li, are one or Vmorehorizontally extending clips 2i each bent to form a supporting bracketfor a fuel pipe 22. As shown in Fig. 1, this pipe comprises two sectionsjoined by a T-fitting 23 to which'is joined another hori- 4.. zontalpipe 'Pd extending through the rear wail of the housing for connectionwith a source of fuel supply. A rear support for the pipe 2d is aiorded-by an apertured plate 25 through which the pipe is extended, this platebeing secured to the rear wall of the housing from which it depends asby a spot weld connection.

Upon the two shelves is mounted a longitudinally extending elevatedbracket bar 3u. As

shown, this bar lies in the rearward portion of the housing, beingformed.- adjacent each end tat'able plug 38. Extending axially from oneend of the plug is a stem 39 which passes through an aperture 40 in thefront wall of the housing. An operating handle 4i is tted to the stemend whereby to rotate the plug through manipulations from the housingexterior.

Connected with the valve body is a nutl surrounding the plug stem andserving to conllne therearound a coiled spring' G8 which bears against astop plate 41. The plug and stop lplate l l35. On the plug side oppositethe nipple is an extension of the valve body containing asecondypassageway` 5I terminating within an adjustable hood l2 having anoriilce 53 adjacente needle 54. The valve body is also provided with a.second nipple having a passageway 5B which ccmmunicates with a shortpassageway B1 extending axially within the plug 3B to join an angularpassageway 58 extending transversely therethrough. This transversepassageway is adapted to register fully with either passageway 5t or BI,one at a time, or partly with both simultaneously.

Fitted to the nipple 55 is a coupling 6I to which is joined a pipesection Si leading to a valve body 62 having an'yadjustable needle valve63 for oontrolling the passage of gaseous fuel into a chamber 64 towhich'airjs admitted through a port Si to support combustion at thedischarge end of a pipe BS forming the secondary unit of a duplexburner.

'I'he primary burner which is concentric with the secondary burnercomprises ahollow body having at oneend an annular chamberv 81 betweeninner and outer walls 8B and 6l respective-` ly. A. series of smallburner openings 'Il .are formed through the top wall of the annulus toassure in operation a circular flame. The burner body extendshorizontally from the anniilusl to provide a lateral passageway 1lhaving atits end` an opening 12 adapted to be iltted over the hood i2.'Adjacent its connection with the hood ism `side openingadapted to beclosed to anyex oted atie., dessous fuel sdmiued'tuemugn Y oriilce linto lthe passageway 12 is taken into` the annular chamber 61 fordischarge through the openings 1i. Airalso enters through theopem' ing1l to mix with the gaseous fuel, thereby to 'the burneropeninm.' Thebody ci the primary burner which may be loosely rested at one end uponthe hood i2 is supported at its other Vend in an opening 11 which isprovided in the bracket bar, whereby the burner plate is held in arfixed operative position. f l

The burner structure together vwith the valve linechanism, justdescribed, is duplicated at each end of the stove. One such' burner isconnected with each of the L-ilttings at opposite ends of the pipe 22.Obviously other similar units may be added as required for increase inthe stove capacity. but for convenience and simplicity in descriptionand illustration, I have selected a two-burner stove by way of example.

Connected with the T-fitting 23 is an L-tting to which is connected acoupling 8| joined to a pipe section 82- which extends rearwardly andthen upwardly. terminating at a point about mid# way of the two duplexburners and in line therebetween. At the end of this Vpipe is a smalloriilce B3 from which may issue -a low flame serving as a pilot light.The body oi. each primary burner is .provided with a laterally extendinghood 84 wherein may be received one end oi a short pipe section 85 whichextends laterally toward :the pilot dame, terminating justshort-thercof. This pipe section may be secured in place asiby means ofa screw 86 which passes through the pipe llor engagement-with the wallof the hood proximate thereto. v'l'.'he screw may also secure in piace abracket which extends downwardly to provide a foot 81 for resting uponthebracket bar Iii, thereby aording a second point of support ther-eu nfor each primary burner body. Through outer wall 89 of each burner bodyis a. small port or openingv I8 through which air or gas may pass. Withthe burner in operation, airenters through this opening tolsupportcombustion, whereas'with no combustion a small quantity 'oi gas may'escape therethrough into the pipe section l5. 'l'he hood 8E is providedwith a slot 89 facing upwardly close to one side of the circular row ofopenings 10 in the burner body.

In operation, thel control handle 4i 'may be manipulated to admit gasthrough either the pipe 8i to the secondary burner 88 or throughthepassage 5I into the primary burner. Either one.

of these burners may thereby be operated, according as the valve ismanipulated. A pilot lightis A lthe secondary-burner may be openedwiuitnev;r

n consequence v`that'tl'ie latter is ignited from the' *tisanes of theformer, and viceversa. This tol-f :flows vfrom-the fact that theopenings in the valve lplug 1l are so arranged that there need not -be acomplete shutoil'o: gas to the one burner be-4 foreopening upcommunication to the other.

Mounted to rest upon the top edge ofthe stove housing is a burner plate0B formed desirabiy Vwith a. depending ilange'll cigse'to its peripheraledge,.-this ilange fitting down 4and lying within v the housing soI- asto position the plate correctly thereupon.

" ings l2- fortheI escape oi products of corribustion,`

and directly over each duplex burnerA is-a seat ll preferablydepressekbelow the plane of the Within the plate are suitablel open-1burner plate, the seat having a large central opening 94 beyond whichare radial ribs 95 on which a cooking utensil may be rested. In this waythe'heat from the burner therebelow is trans- 5 mitted directly to theutensil which is thereby supported by the seat in the most effectiveposition.

The stove of this invention is particularly suited for use with gas asfuel, although liquid l fuel which is furnished in the proper state orcondition may possibly be used as well. It provides in its structure asimple yet strong form of housing for supporting thereabove the burnerplate on which one or more cooking utensils are to be l rested. Inaddition it provides interiorly of its structure a mounting for the pipeyconnections and valve mechanisms,` also the several burners that are tobe joined thereto, all arranged and combined to operate in the mannerhereinbefore set forth. A full flame may issue from each of theprimary'burners or, if desired, this ame may be shut off and a low amemay-be issued from the secondary bur-ners, according to whether or not acooking temperature is to be maintained or only a serving temperature.-A stove having these characteristics is particularly suitable for usein restaurants and other public places in the making and serving ofcoiee. It is light, easily set up and cared for, and is also ornamentaland lower edge of the band and shaped to engage and laterally brace theend walls and corner portions formed by said band, corner supportingblocks connected to the underside of the shelf-like plates and embracingthe lower band edge portions at the corners. and a rigidy burner platehavingy a depending ilange shaped to closely fit within and rest uponthe upper edge of said band enclosure, whereby said interiltting partscooperate to brace and strengthen the relative light supporting andenclosing housing and produce a rigid structure.

2. A stove having a housing composed of a rel-l atively thin sheet metalband of a width substan#A tially equal to the height of the stove, saidband being extended around and joined at its ends to form a continuousband enclosure of generally rectangular conguration, a pair of spacedhorizontal shelf-like bottom plates extended across the enclosure atelevations slightly above thelower edge of the band and shaped to engageand laterally brace the end walls and corner portions formed by saidband, corner supporting blocks connected to the underside of theshelf-like plates and embracing the lower band edge portions at thecorners, a rigid burner plate having a depending ange shaped to closely.t within and rest upon the upper edge of said band enclosure, wherebysaid intertting parts cooperate to brace and strengthen the relativelight supporting and enclosing housing and produce a rigid structure, aburner supporting bracket resting upon and retaining said shelI-likeplates in laterally spaced relationship against the inner end walls ofsaid band enclosure,` and a burner manifold assembly supported in partbyI a wall ofsaid band enclosure and said burner supporting bracket inthe space I

